Quick Slicks SC130XF tires are designed specifically for Scalextric F1 (Modern) and Dallara Indycar wheels.
For a complete list of cars/wheels this tire will fit, please refer to the Quick Slicks Fitment Summary which is updated on a regular basis.
Multiple silicone compounds are available - this is the X-FIRM compound (part number: SC130XF).
Outer Diameter (O.D.): .815" (20.70mm)
Width (Contact Patch): .453" (11.50mm)